Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645418 | Method of producing a porous resin stamp | Shigeru Kitahara, Yasuo Nagasawa, Yuji Tanaka | 2003-11-11 |
| 6605328 | Optical recording medium | Hiroshi Shingai, Hiroyasu Inoue, Tatsuya Kato, Hajime Utsunomiya | 2003-08-12 |